9148946971 has 2 divisors, whose sum is σ = 9148946972. Its totient is φ = 9148946970.

The previous prime is 9148946903. The next prime is 9148947023. The reversal of 9148946971 is 1796498419.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9148946971 - 2⁹ = 9148946459 is a prime.

It is not a weakly prime, because it can be changed into another prime (9148946771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4574473485 + 4574473486.

It is an arithmetic number, because the mean of its divisors is an integer number (4574473486).

Almost surely, 2^9148946971 is an apocalyptic number.

9148946971 is a deficient number, since it is larger than the sum of its proper divisors (1).

9148946971 is an equidigital number, since it uses as much as digits as its factorization.

9148946971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 58.

The square root of 9148946971 is about 95650.1279194126. The cubic root of 9148946971 is about 2091.4959925697.

The spelling of 9148946971 in words is "nine billion, one hundred forty-eight million, nine hundred forty-six thousand, nine hundred seventy-one".